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OpenStudy (anonymous):
6 examples of physical changes: 6 examples of chemical changes: How do scientists know it is a physical change or chemical change occurring?
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OpenStudy (shamim):
Water has 3 states
OpenStudy (shamim):
Water, ice, vapor
OpenStudy (shamim):
If water chabges to ice or vapor. Its called physical change
OpenStudy (shamim):
Chemical change:
OpenStudy (shamim):
If hydrozen gas nd oxizen gas make water by reaction. Its called chemical change
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